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| author | lhofhansl <larsh@apache.org> | 2021-08-31 17:32:31 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-08-31 17:32:31 -0700 |
| commit | d1624a552151bcb152b7abf63df6501b63458d78 (patch) | |
| tree | e73a7b216f23962c06e591c4d0d1e5333d949b08 /src/serialization.h | |
| parent | beac4a2c984706b636e7b1e03406e05c87435903 (diff) | |
| download | minetest-d1624a552151bcb152b7abf63df6501b63458d78.tar.gz minetest-d1624a552151bcb152b7abf63df6501b63458d78.tar.bz2 minetest-d1624a552151bcb152b7abf63df6501b63458d78.zip | |
Switch MapBlock compression to zstd (#10788)
* Add zstd support.
* Rearrange serialization order
* Compress entire mapblock
Co-authored-by: sfan5 <sfan5@live.de>
Diffstat (limited to 'src/serialization.h')
| -rw-r--r-- | src/serialization.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/serialization.h b/src/serialization.h index f399983c4..e83a8c179 100644 --- a/src/serialization.h +++ b/src/serialization.h @@ -63,13 +63,14 @@ with this program; if not, write to the Free Software Foundation, Inc., 26: Never written; read the same as 25 27: Added light spreading flags to blocks 28: Added "private" flag to NodeMetadata + 29: Switched compression to zstd, a bit of reorganization */ // This represents an uninitialized or invalid format #define SER_FMT_VER_INVALID 255 // Highest supported serialization version -#define SER_FMT_VER_HIGHEST_READ 28 +#define SER_FMT_VER_HIGHEST_READ 29 // Saved on disk version -#define SER_FMT_VER_HIGHEST_WRITE 28 +#define SER_FMT_VER_HIGHEST_WRITE 29 // Lowest supported serialization version #define SER_FMT_VER_LOWEST_READ 0 // Lowest serialization version for writing @@ -89,7 +90,12 @@ void compressZlib(const u8 *data, size_t data_size, std::ostream &os, int level void compressZlib(const std::string &data, std::ostream &os, int level = -1); void decompressZlib(std::istream &is, std::ostream &os, size_t limit = 0); +void compressZstd(const u8 *data, size_t data_size, std::ostream &os, int level = 0); +void compressZstd(const std::string &data, std::ostream &os, int level = 0); +void decompressZstd(std::istream &is, std::ostream &os); + // These choose between zlib and a self-made one according to version -void compress(const SharedBuffer<u8> &data, std::ostream &os, u8 version); -//void compress(const std::string &data, std::ostream &os, u8 version); +void compress(const SharedBuffer<u8> &data, std::ostream &os, u8 version, int level = -1); +void compress(const std::string &data, std::ostream &os, u8 version, int level = -1); +void compress(u8 *data, u32 size, std::ostream &os, u8 version, int level = -1); void decompress(std::istream &is, std::ostream &os, u8 version); |